CBSE 2025 · Region 6 · Set 3 · Q14 · 1 mark
Assertion (A) : Molecularity of reaction is determined experimentally.
Reason (R) : Molecularity is applicable only for an elementary reaction and not for a complex reaction.
Official answer
From CBSE’s own marking scheme for this paper.
(D)
Assertion (A) is false, but Reason (R) is true.
Chemical KineticsCollision Theory of Chemical ReactionsUnderstandassertion_reasonmedium
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CBSE Class 12 Chemistry past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.